Large Building Blocks for Kids Ages 3-8 – 432 Piece Mega Set – Indoor & Outdoor STEM Toy for Boys & Girls

Rated 4.88 out of 5 based on 8 customer ratings
(8 customer reviews)

$679.99

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EAN: 621A8F3B
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  • Biggest Set Yet: With 432 jumbo building blocks — including doubled red and orange sets — this ultimate Biggo bundle fuels epic builds, massive structures, and group play on a grand scale.
  • Built for Group Play: Ideal for classrooms, birthday parties, homeschooling pods, or large families, the 432-piece set sparks collaboration, communication, and social skill-building in kids ages 3 and up.
  • Easy for Small Hands: Biggo Blocks are lightweight, smooth-edged, and perfectly sized for toddlers and kids, promoting confidence and independence in young builders.
  • STEM Learning in Action: While constructing castles and spaceships, children naturally develop fine motor skills, spatial awareness, problem-solving, and early STEM foundations — all through hands-on play.
  • Indoor & Outdoor Friendly: Crafted from durable, weather-resistant plastic, these giant blocks hold up to backyard play, rainy day building, or classroom use without missing a beat.
  • Smart Storage Solutions: The blocks stack flat and nest together like bricks, allowing them to be stored in just 4 inches of space. Slide under a bed or repurpose into toy boxes or kid-sized furniture!
  • Active, Screen-Free Fun: Encourages movement, teamwork, and unplugged play that supports healthier development and meaningful interactions.
Manufacturer

Design Plastics Inc

8 reviews for Large Building Blocks for Kids Ages 3-8 – 432 Piece Mega Set – Indoor & Outdoor STEM Toy for Boys & Girls

  1. Rated 5 out of 5

    Janis

    My grands love this toy. They are always finding new structures to create! Durable. Bright colors. Easy for little fingers to handle.

  2. Rated 5 out of 5

    Alethea Huckleby

    The kids loved these. The only complaint I have is that you need to buy more boxes than one. If your kids want to build a fort or something, you’re going to need at least 5-6 boxes.

  3. Rated 5 out of 5

    EB

    These blocks are sturdy and lock into each other easily but firmly. Highly recommend!

  4. Rated 5 out of 5

    JPS

    Build to play and hop practicing gross motor skills and fine motor practice happens while being creative and clicking to build. Great for ages young and old. Adults can use for fun creations and building for group activities. Great value for the proce and colors varied just like a lego kit.

  5. Rated 5 out of 5

    Jovita Eunice

    If you’re on the fence this is your vote of confidence to buy it. I had been on the fence because someone said the most you would get out of it was a 3×3 fort enclosure but truly you can make so many variations. We have already made tall towers and longer approx 4x3x2 forts. I enjoy it as much as my son and I believe it will be a treasured toy for time to come. When my son opened it for Christmas all of the kids immediately started playing/building with him. We plan on saving up and buying another jumbo set for his birthday. Worth every penny. This encourages their creativity and movement instead of tablets and video games and such. Love love!!I also love that it is sturdy for tike and time to come and made in the U.S! 💯 ❤️
    Someone said that some of the pieces bend in a little but that isn’t really even worth mentioning, you just pull it out a little and zero problem. Kids 4+ can do it themselves. My son is 6-7

  6. Rated 5 out of 5

    Alethea Huckleby

    I had been looking for these blocks for years. We first bought the big blocks 34 years and 6 months ago for our first daughter I. Pink and purple. After that we purchased the primary colors for our son who is second child. We loved them so much because the kids are so creative with them and absolutely love them. We cleared and looked for more for years but was u lucky with locating them. Our granddaughter is two and loves the blocks so we decided to look on Amazon for additional blocks and to our surprise the blocks were on Amazon and available. We had to get them and our granddaughter is super pleased. She added the new blocks with the old and created what she calls a castle The cost is a bit much we paid approx $150 for blocks. However, the color is so vibrant and refreshing. Our granddaughter has no problem with building with these blocks, she finds it very easy to build. The blocks are of great quality. She absolutely love the so much that she sweeps, cleans and brushed them off daily. We’re going to have to break down and purchase her another set of the big blocks so she can build as tall as she want it to be. Good value

  7. Rated 5 out of 5

    Kreative

    Why did you pick this product vs others?:
    I have a 2 year old and a 1 year old who LOVE building and these were perfect and the size I don’t have to worry about them joking or them and me stepping on them and hurting ourselves! And it’s so much fun to knock them over once you build what you’re building and they love to construct and deconstruct!!  Price wasn’t bad at all! 

  8. Rated 4 out of 5

    JJGRAN

    So I got this product for youngest son(4 yr old) and he completely loved it! The piece’s were functional and I agree on the age range from 4-8. Only reason it’s getting 4 stars is because I was expecting foam like pieces instead of plastic hollow ones. Still very fun for me and my boys 😃

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Large Building Blocks for Kids Ages 3-8 – 432 Piece Mega Set – Indoor & Outdoor STEM Toy for Boys & GirlsLarge Building Blocks for Kids Ages 3-8 – 432 Piece Mega Set – Indoor & Outdoor STEM Toy for Boys & Girls
$679.99

Pay a deposit of 40% per item

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